How to use the "One-Cancels-the-Other" (OCO) order on Binance? (Risk Control)

Accessing OCO Order Interface

1. Log into your Binance account via the official website or mobile application.

2. Navigate to the Spot trading section and select the desired trading pair, such as BTC/USDT.

3. Click the “Advanced” tab located near the order entry panel to reveal extended order types.

4. From the dropdown menu or toggle options, select “OCO” to activate the dual-order configuration interface.

5. Ensure your account has sufficient balance in the base and quote assets to cover both orders’ notional value and potential fees.

Configuring Price and Quantity Parameters

1. Input the limit price for the take-profit order—this must be above the current market price for long positions or below for short positions.

2. Enter the stop price for the stop-loss order—this is typically set at a level where adverse movement triggers protective action.

3. Specify the quantity for both orders; they must be identical to maintain symmetry in execution logic.

4. Choose “Limit” as the order type for both legs unless platform-specific constraints apply.

5. Verify that the stop price aligns with exchange-defined minimum/maximum deviation thresholds to avoid rejection.

Execution Behavior and System Response

1. Once submitted, the system registers both orders as an atomic group bound by mutual cancellation logic.

2. If the stop price is reached and the stop-loss leg is triggered, the take-profit order is immediately canceled without further evaluation.

3. Conversely, if the limit price is matched and the take-profit order executes fully or partially, the stop-loss order vanishes from the order book instantly.

4. Partial fills on either leg do not alter the cancellation rule—the moment any portion of one order executes, the other is voided.

5. No manual intervention is required after submission; the entire process runs autonomously within Binance’s matching engine.

Platform-Specific Constraints

1. OCO orders are only available on Binance Spot markets—not supported on Margin or Futures trading interfaces.

2. Certain low-liquidity trading pairs may restrict OCO functionality due to insufficient depth or volatility controls.

3. Orders placed during maintenance windows or extreme market stress may experience delayed registration or rejection.

4. The stop price cannot be set closer than 0.1% to the current mark price for highly volatile assets like meme coins.

5. Users with KYC Level 0 status are prohibited from placing OCO orders until identity verification is completed.

Frequently Asked Questions

Q: Can I modify one leg of an active OCO order without canceling the entire group? A: No. Binance does not allow editing of individual components. You must cancel the full OCO group and resubmit revised parameters.

Q: Does the OCO order survive a browser refresh or app restart? A: Yes. Once accepted by the server, the OCO order persists independently of client-side session state.

Q: What happens if both prices are triggered simultaneously due to a flash crash or spike? A: The exchange’s matching engine processes events sequentially based on timestamp priority. Only the first matched leg executes; the second is canceled before confirmation.

Q: Are OCO orders visible in the open orders list as two separate entries? A: No. They appear as a single consolidated entry labeled “OCO” with aggregated quantity and dual-price display.